<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <link rel="stylesheet" type="text/css" href="./css/index.css" />
    <title>display resource</title>
</head>

<body>
    <div class="dr-head">
        <button onclick="goto_page(`./html/demo01.html`)">demo01</button>
        <button onclick="goto_page(`./html/demo02.html`)">demo02</button>
        head nav
    </div>
    <div class="dr-content-1">
        <div class="dr-content" id="dr-content">
            content
        </div>
    </div>
    <div class="dr-button-nav">
        button nav
    </div>
    <script src="./js/index.js"></script>
    <script src="./js/jquery-3.6.1.js"></script>
</body>

<footer>
    <div class="dr-footer">
        <p>Copyright © 2013-2022 display resource </p>
    </div>
</footer>